baber/WOPTO huggingface dataset:
Patent DE-1931550-A1 (DE)
Title: Cast resin strain insulators for power lines
Inventor: GRUBER WOLFGANG
IPC: H01B17/40
Filed: 1969-06-21
Abstract: A core of glass fibre reinforced casting resin with square ends is clamped into metal end caps and then casting resin moulded, to the required shape around the core and into annular grooves in the caps as in P1665854.1. Instead of split, two piece caps are used in which are blind holes, spring pins being used for mechanical locking at the first assembly stage. An adhesive, filled with a conductive material is interposed between the core ends and the caps.
Patent DE-1935005-A1 (DE)
Title: Dyestuff mixture
Inventor: MICHAELIS EBERHARD DR
IPC: C09B45/26
Filed: 1969-07-10
Abstract: A dyestuff mixture where K is a cation. Th mixtur can be used for dyeing leather.
Patent DE-1951588-A1 (DE)
Title: Centrifuge with sludge discharge openings
Inventor: FRIEDRICH RUDOLF
IPC: B04B1/14
Filed: 1969-10-13
Abstract: Centrifuge purifying liquids or dewatering sludges consists of a horizontally mounted axle carrying 4 cup-shaped half-drums, each pair of which forms one drum. The two outermost half-drums are mounted so that they can be moved in an axial direction by means of axially mounted hydraulic equipment consisting of two pressure chambers each enclosing a piston. Advantage is that the drums can be opened while the centrifuge is rotating so that sedimented solid is ejected by centrifugal force.
Patent DE-1956285-A1 (DE)
Title: Cyclic mono-and polyimides prodn
Inventor: NAARMANN HERBERT DR
IPC: C07D207/44
Filed: 1969-11-08
Abstract: An anhydride is reacted with RN(t-butyl)COCl at 50-150 degrees C (opt. catalysed) (R = opt. olefinic aliphatic cycloaliphatic or araliphatic or aromatic group with 1-100C esp. 4-10C e.g. vinyl, cyclohexenyl, n = 1-50 esp. 1 or 2). Gaseous products CO2 and t-BuCl can help to form polymer foams.
Patent DE-1958776-A1 (DE)
Title: Phthalic anhydride prodn process
Inventor: FRIEDRICHSEN WILHELM DR
IPC: C07C51/265
Filed: 1969-11-22
Abstract: Conventional production of phthalic anhydride from naphthalene or o-xylene over a V2O5 catalyst in a fixed bed converter at 300 - 450 degrees C is started up at low throughput (low air or low hydrocarbon or both) to develop a hot spot near the gas inlet, and throughput raised gradually to a max. when the hot spot lies 30 - 100 cm. from the inlet and is 50 - 150 degrees C, pref. 70 - 120 degrees C, above the temp. of the heat exchange liquid. The procedure gives a purer product and an increased catalyst life.
Patent DE-1964744-A1 (DE)
Title: High - tension cable
Inventor: REUTER MANFRED
IPC: H01B7/18
Filed: 1969-12-12
Abstract: High-tension cable with paper- or plastics-insulated cores has a sheath of a thermoplastic or thermoelastic plastics, e.g. P.V.C. or polythylene, which is reinforced with non-metallic cords, ribbons, plaits or webs, pref. consisting of glass fibre- or whisker-reinforced plastics, or glass fibre yarn. The sheath is produced by extruding a plastics tube, applying the reinforcement while the tube is still soft, and extruding a second layer to cover the reinforcement. The cable sheath withstands interior pressure and/or tensile stresses.
Patent DE-2023653-A1 (DE)
Title: "sand table" technique for military training
IPC: G09B25/06
Filed: 1970-05-14
Abstract: A mixture of wood fibres, e.g. sawdust, and paraffin glycerin or the like is used in a kneadable form to give the shape of the terrain. Continuous chains of moulded plastic elements with joints for length adjustment and flexible cord or wire cores are used to represent roads railways, rivers etc. and the whole is covered with a transparent film which may be sprayed on after the model is made.
Patent DE-2045154-A1 (DE)
Title: Lightweight plastic ground plate - insulated to retain heat
IPC: A01K1/015
Filed: 1970-09-12
Abstract: Insulated foundation plate has a flame resistant hard foam core with lower side reinforced with a layer of fibre glass fabric and finshed with an outer layer of filled epoxy resin, whilst the top side has a layer of granular material impregnated with epoxy resin, on intermediate fibre glass fabric layer and a top coat of bitumen enriched epoxy resin.
Patent DE-2046973-A1 (DE)
Title: Hard or foam glass - on adding transition metals and carbide or nitrides
IPC: C03C11/00
Filed: 1970-09-24
Abstract: Fine cellular or hard glass contg. tri- and tetra-valent ions made by adding Ti powder or powders of other metals of the 4th and 6th periodic subgroup to the glass melt and adding BC or BN to convert the metal to soluble products according to DT 2034011.
Patent DE-2052771-A1 (DE)
Title: Casting removal device - for split mould casting machine
IPC: B22D29/00
Filed: 1970-10-28
Abstract: Castings are removed from a casting machine employing split moulds by a device which may be transversally moved between the open mould halves. It is fitted with two independently powered telescopically disposed push rods to both of which are attached parts of a gripping device. Pref. the push rods are the piston rods of coaxially disposed pistons one of which is hollow. The casting is gripped between a hook and a block attached to either rod. The device works synchronously with the mould lowering mechanism of the casting machine. The device eliminates man-handling of the castings and may be part of an automatically cycled operation.
Patent DE-2059385-A1 (DE)
Title: Metal billet electroslag remelting apparatus - - screen on mould concentrates heat and protects mould
Inventor: A IODKOWSKIJ SERGEJ
IPC: C22B9/18
Filed: 1970-12-02
Abstract: Metal billet electroslag remelting apparatus comprises a cooled mould having a bottom plate and a holder for a consumable electrode. Vertical displacement of the mould bottom plate and electrode may be effected by a drive. A flange on the top edge of the mould supports an outer flange of a cylindrical screen which dips into the slag. The screen concentrates the heat released in the slag and radiated by the electrode and protects the cooled walls of the mould from overheating. After the bottom of the screen is burnt it may be lowered for reuse.
Patent DE-2115500-A1 (DE)
Title: Support rod clamp - with pivot bearings for spinning machine support arms
IPC: D01H5/56
Filed: 1971-03-31
Abstract: Support clamp for mounting a spinning machine, upper roll-support/loading arm, pivotably w.r.t. a support rod, constructed from a U-shaped piece of sheet metal, the arms of which each have a slit opening into a bore for the passage of the support rod and are bridged by a clamping bolt co-operating with two blocks attached to them in such a way that it passes through a bore in one block and is screwed into a threaded bore in the other block, has the blocks chamfered on the edges facing each other and the support rod, the resultant sloping surfaces co-operating with similarly sloped surfaces on a clamping piece with a part-cylindrical surface on its opposite face which lies against the support rod.
Patent DE-2135039-A1 (DE)
Title: Continuously operating freeze dryer - with screws for conveying material and removing ice
Inventor: STEIN PAUL DIPL ING DR
IPC: F26B5/06
Filed: 1971-07-14
Abstract: A freeze drier has a cylindrical, vapour permeable heated ducts to carry the frozen goods, mounted in fixed condenser tubes, the fixed tubes are horizontal or slightly inclined and the permeable tubes comprises attached or separate inner screws for conveying the material and attached or separate outer screws for scraping the ice off the condenser tube and removing it. The two screws either alone or with the permeable tube are rotated by a drive. Pref. the perforated ducts contain pipes for heating/cooling the material and may or may not rotate with the screws.
Patent DE-2136646-A1 (DE)
Title: Portable water purifier - for accident survival including seawater desalination capability
IPC: B01J47/012
Filed: 1971-07-22
Abstract: A plastic container, esp. for polycarbonate, is used for the chemical treatment of the polluted or salt water and to the container are screwed a universal filter to remove solid contaminant and solid reaction products from the chemical treatment phase as well as a hand operated piston pump which pressurizes the container at is not >5 atmos to overcome the hydraulic resistance of the filter. The water is not only purified by removal of bacteria and chemical contamination, including sea salt, but is made potable from the taste point of view. When in storage the pump is contained within the plastic vessel and its mounting port is closed by a water, air and dust tight stopper as is the mounting flange for the filter, the stoppers having a fitment on the casing to which they are screwed whilst the appts. is in use. Light weight compact water purifier for personal use in natural disasters, shipwreck or the like survival emergency.
Patent DE-2155294-A1 (DE)
Title: Concrete dividing wall - with an elastic sound and heat insulating web partially embedded in it
Inventor: WIEGAND WALTER
IPC: E04B2/82
Filed: 1971-11-06
Abstract: The elastic web is partially concreted into the wall with this concreted-in part spread into a wedge shape by precompression of the remaining part prior to concreting. Pref. the elastic web is made of rubber or a polyurethane foam impregnated with bitumen, synthetic rubber or synthetic resin.
Patent DE-2166871-A1 (DE)
Title: High-ribbed round concrete reinforcing rod - has flattened sections and sections deviating from circle shape
Inventor: HUFNAGL WALTER DIPL-ING
IPC: E04C5/03
Filed: 1971-08-02
Abstract: The reinforcing rod combines min. production effort and cost with high tensile strength and good bonding qualities, having relatively high ribs, otherwise attainable only by hot-rolling,a nd is esp. effective when used in mesh form. The flattened sections and off-centreprotuberances are n the cross-section, and grooves and ribs may be impressed in the curved or flattened sections. One flattened section may be wider than its neighbour, and they may be asymmetrically arranged. The curved sections may run tangentially into the core, or be helically disposed, and various other combinations of the cross-sectional irregularities are possible.
Patent DE-2226037-A1 (DE)
Title: Plastics sepg agents - dicarboxylic acid diesters of (meth) allyl alcohol prepolymers
Inventor: STANGE KARL DR
IPC: C08J3/12
Filed: 1972-05-29
Abstract: Finely divided, non-sticky, prepolymers (softening pt. >=70 degrees C), are of cpds. of formula: where R is H and/or Me, are used as separating (release) agents for plastics moulding which, at normal temp., tend to stick together. Diallylphthalate prepolymer is suitable.
Patent DE-2250105-A1 (DE)
Title: Photosensitive laminating adhesive or sealant - contg diene (co)polymer and (meth)acrylate
Inventor: NAKANO YOSHINORI DIPL ING
IPC: C09J121/00
Filed: 1972-10-12
Abstract: Photosensitive compsn. for adhesives and sealants comprises: (A) polybutadiene, butadiene-styrene copolymer, butadiene-acrylonitrile copolymer, urethanated polybutadiene, brominated polybutadiene, polyisoprene and/or isobutene-isoprene copolymer and (B) a (meth)acrylate, (C) a photosensitiser to promote reaction. Esp. for laminating sheets, >=1 of which is at least partially transparent.
Patent DE-2263710-A1 (DE)
Title: Wet concrete conveyed in endless moving tube - with slit opening which is held closed except at inlet and discharge
IPC: F16L11/12
Filed: 1972-12-27
Abstract: Wet concrete is conveyed in a slit, endless belt type moving tube which is open only at the feed station and discharge point. The slit may be held closed by rollers, quick closure devices or the like, esp. with internal supporting strip or lapping seal to prevent leakage. Washing, scraping, conveying and other equipment are associated with the tube. The method is intended to prevent many of the disadvantages such as segregation incurred with conventional concrete conveying methods. The tube may be of soft PVC, with hard PVC, steel wire or steel strip reinforcement.
Patent DE-2309286-A1 (DE)
Title: Butt welding thermoplastics pipe - with flexible centering clamps to hold pipes
Inventor: SLADKOW ANATOLIJ WLADIMIROWITS
IPC: B29C65/20
Filed: 1973-02-24
Abstract: A welding plant for thermoplastics pipes comprises clamps to hold the two pipe ends and a thrust mechanism to push one pipe end against the other. Each clamp consists of an upper strap and lower saddle, with resilient seating members forming a ring around the pipe. In the annulus between this ring and the strap-saddle combination, a tyre is mounted, and this can be rotated around the axis of the clamp, centering the pipe as it is clamped. Pref., two roller bearing units are used, one between the ring and the tyre, the other between the tyre and the strap-saddle combination. On its inner periphery, the tyre has V-shaped depressions, so that as the tyre is rotated, these depressions force the inner rollers inwards, thus clamping and centering the pipe.
Patent DE-2319019-A1 (DE)
Title: Antibiotic 3-(1-pyrrolin-2-yl)-acrylamide derivs - prepd. by reacting 2-alkyl-1-pyrrolines with glyoxylic acid esters, amidating, and dehydrating
Inventor: DUERCKHEIMER WALTER DR
IPC: C07D207/46
Filed: 1973-04-14
Abstract: Derivs of formula (I): (where R1-4 are H, 1-4C alkyll or phenyl opt mono or disubtd by Cl, Br 1-4C alkyl, 1-4C alkoxy or CF3; R5 is H or 1-4C alkyl; R6 is H, phenyl or CH3; and r7 and R8 are H, 1-4C alkyl or alkyl subst. by OH, amino or di(1-4C alkyl) amino, and one of R7 and R8 can also be OH or N(R5)2; provided that R1-8 are not all H) may be prepd by reacting a cpd of formula (II) or its N-oxide with an ester of formula O=C(R6)-COOR9 (where R9 is 1-4C alkyl) or its hemiacetal, reacting the resulting cpd (III) or its N-oxide with HNR7R8, reducing any N-oxide obtd, and dehydrating the resulting cpd of formula (IV): (I) are broad-spectrum antibacterials esp. active against Proteus mirabilis. They can be used e.g. for local application to infected wounds (e.g. burns) or for disinfecting medical intruments. They are more active longer acting and easier to prepare than the related known antibiotic desdanin, and their favourable solubility properties make them more suitable for use in lipophilic preparations.
Patent DE-2331291-A1 (DE)
Title: Cryoscope for osmosis measurement - measures the lowering of the freezing point of small volumes of liquids
Inventor: ALTMANN HANS-J DR
IPC: G01N25/04
Filed: 1973-06-15
Abstract: The shape of the liquid sample is determined by metal sheets, wires or strips, so that the liquid is symmetrically distributed around a temp sensor. The crystallisation process is initiated in an undercooled liquid by introduction into the liquid of a stronger undercooled element of low mass and thermal conduction, with crystallisation seeds on its surface. The devices are placed in a cooling chamber whose wall temp is kept at -10 to -40 deg.C. The device are protected by a protective jacket placed over them. This arrangement, together with a sensitive electronic temp. display, forms a cryoscope for osmosis or concentration of small sample measurement.
Patent DE-2337509-A1 (DE)
Title: Four stroke I.C. engine - has double piston and cylinder transfer channel
Inventor: HAPPEL ROBERT
IPC: F02B75/02
Filed: 1973-07-24
Abstract: The engine consists of a first and second piston on a common forked connecting rod working in almost parallel cylinders. A single cylinder head covers both pistons and contains inlet and exhaust ports and valve gear. A transfer channel regulated by a transfer valve connects both cylinders. The second piston strokes are retarded with respect to the first piston with the transfer channel closed during the compression stroke and a part of the air or weak mixture is compressed into a storage chamber joined to the transfer channel. Jut before T.
Patent DE-2338115-A1 (DE)
Title: Steering wheel centre cover plate - has two telescopic caps with a reinforced foam filling as accident protection
Inventor: SCHIESTERL GERHARD
IPC: B62D1/04
Filed: 1973-07-27
Abstract: The steering wheel centre cover plate is designed to act as a cushion in the event of accident, is of simple construction and cheap to manufacture. The outer cover consists of two hollow pot-shaped frame parts. Each open end has a bead with the top cover head facing inwards. The lower cover pushes inside the upper cover and a bead of the same circumference as the upper cover faces outwards so that when pushed together, the beads will act as a hook. The space between the upper and lower parts is filled with bitument soaked polystyrene foam. A rubber ring is inserted between the beads to prevent squeaks.
Patent DE-2342278-A1 (DE)
Title: Holding frame for casting moulds arranged parallel to one another - in position fo.r foforming stack of castings
Inventor: KOPPATZ RUDOLF
IPC: B22D5/04
Filed: 1973-08-22
Abstract: An apparatus for holding casting moulds has a holding frame in which a number of moulds are fastened with their sides adjacent and parallel to one another and in which the number of moulds is equal at least to the number of castings in a stack. The process is used in casting pigs in the type of machine wherein a series of moulds pass from a casting station to an extraction station by means of a conveyor and in which the pigs are then stacked. The stacking operation is simplified and the frame construction employed minimizes the number of screws employed, facilitating removal of worn moulds.
Patent DE-2343276-A1 (DE)
Title: Radio headphone set for TV reception - has HV transformer connected to output of LF amplifier with loudspeaker cut off
IPC: H04N5/60
Filed: 1973-08-28
Abstract: The radio headphone set uses wireless transmission of low frequency from the terminal amplifier and it is intended for social centres etc. to enable undisturbed listening. On the transformer connection the TV set loudspeaker is switched off, an antenna is connected to the HV transformer output, and the high resistance headphones are capacitively supplied from the antenna through a short receiving antenna or a metal plates. The headphones resistance may be low, and the short antenna may be connected to a high resistance amplifier. This voltage may be generated by piezoelectric means.
Patent DE-2343953-A1 (DE)
Title: Winding drum for rope winches - has drum and reciprocating driven rope guide
Inventor: HERCHENROEDER H
IPC: B66D1/38
Filed: 1973-08-31
Abstract: The rope drum rotates about a horizontal axis. The rope guide ensures that the rope is at all times at right angles to the drum. The rope is wound on the drum. The rope passes through a fixed guide and then it passes through the reciprocating rope guide, driven by a fixed hydraulic cylinder. The free end of the hydraulic cylinder piston carries a pulley. This pulley carries a rope with one end fixed on the hydraulic actuator stand and the other end connected to the reciprocating rope guide. The reciprocating movement is imposed by the lateral force exerted by the rope which is wound on the drum due to the position of the fixed guide and the force exerted by the hydraulic cylinder. The rope is wound smoothly and it is protected against jamming.
Patent DE-2344132-A1 (DE)
Title: Railway wagon shunting system - has a transfer bridge system with power driven conveyor with couplings
Inventor: STERNAD WILLIAM A
IPC: B61J1/10
Filed: 1973-09-01
Abstract: The conveyor and the couplings on the bridge act upon shunting statically in contrast to the dynamic mode met in the hump shunting marshalling yard. This system eliminates the need for slowing down systems, transporters and associated control systems in the hump type marshalling and thus damage to the wagons due to impact. The main line is adjacent to the shunting system, which consists of a number of parallel shunting tracks whose inner ends terminate at a side edge of a pit. A parallel set of tracks, which are parallel to the first shunting set of rails, are arranged at the opposite edge of the pit. A bridge moves at right angles to the shunting tracks, for placing the wagon in correct order for subsequent placing on the main line.
Patent DE-2346197-A1 (DE)
Title: Connector for optical endoscope - has one part rotationally symmetrical disk-shaped connecting piece for joining endoscope to optics
Inventor: HECK ROLF
IPC: G02B23/24
Filed: 1973-09-13
Abstract: Three or more clamping pieces are provided at a distance above a supporting ring. The inner diameter of the supporting ring is smaller than the diameter of the disc-shaped connecting piece. The clamping pieces are equally distributed over the circumference of the supporting ring and are able to swing round the studs. A circular surface concentric to the supporting ring is released for inserting the disc-shaped connecting piece in the space defined by the supporting ring and the clamping pieces. After the clamping pieces have swung back, the spring tension presses them against the connecting piece.
Patent DE-2351476-A1 (DE)
Title: Safety bumper to operate airbag - with hinged brake cam to grip road and flexible container compressed by bumper to inflate airbag
Inventor: SCHATTA MARTIN
IPC: B60R21/26
Filed: 1973-10-13
Abstract: The bumper bar is supported on a bumper rod which slides inside a support tube and which has a shovel shaped extension at the free end. This extension pushes on a hinged cam shaped container which swings down and presses on the road surface. The container is provided with a braking surface and is pushed against a padded stop on the chassis. The pressure of the extension compresses the container and forces air up a tube and into the airbag system on the steering wheel. After the impact force is released from the bumper the system resets itself so that it can cater with secondary collisions.
Patent DE-2365030-A1 (DE)
Title: Moving coil stereo pickup - is for scanning groove recordings modulated in two directions at 90 deg. to each other
Inventor: LAUE ECKHARD
IPC: H04R11/12
Filed: 1973-12-28
Abstract: The stylus arm is tangential to the groove, carries a stylus at one end, and a magnetic armature at a distance from it; four poles are arranged close to the armature, with their rear ends so magnetically connected with each other, that four magnetic circuits are produced, whose air-gaps with the armature are at an angle of 90; they are excited by a permanent magnet, so that the four pole pieces around the armature have alternating polarities; four coils are mounted on the above circuits, and each two opposite coils are connected into a channel. When the armature move in one channel modulation direction, the two air-gaps of a magnetic circuit vary in the same sense in opposite circuits, i.e. they widen or narrow together.
Patent DE-2401230-A1 (DE)
Title: Shaft angular rotation and speed read by radioactive beam - avoiding disturbances common in electrical or photoelectric systems
Inventor: CERVENKA JAN
IPC: G01P3/481
Filed: 1974-01-11
Abstract: A device for coding the angular position and speed of a revolving shaft comprises a radioactive source, esp. gamma or (gamma and beta) source and a detector receiving a collinated beam from the source; the path of this beam is periodically interrupted by uniformly distributed teeth around a disc keyed to the shaft; the output from the detector (D) is fed to a counting device; the latter counts starting from a point marked on the disc all the pulses emitted by the detector at the interruptions and from these supplies readings of (a) total rotational angle and (b) angular speed. The source is pref. housed in a lead shield with a rectangular collination slit, and the detector a Geiger-Muller tube within a lead housing having a receiving slit. False signals, such as those arising in electrical counting, are not easily produced. Disturbances due to dirt, such as occur with a photoelectric system, do not occur. The system is esp. suitable for rough and dirty conditions, e.g. in cement grinding mills.